240135415553 has 16 divisors (see below), whose sum is σ = 263336355072. Its totient is φ = 217165050000.

The previous prime is 240135415523. The next prime is 240135415621. The reversal of 240135415553 is 355514531042.

It is a cyclic number.

It is not a de Polignac number, because 240135415553 - 2⁶ = 240135415489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240135415523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2185550 + ... + 2292792.

It is an arithmetic number, because the mean of its divisors is an integer number (16458522192).

Almost surely, 2^240135415553 is an apocalyptic number.

It is an amenable number.

240135415553 is a deficient number, since it is larger than the sum of its proper divisors (23200939519).

240135415553 is a wasteful number, since it uses less digits than its factorization.

240135415553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108316.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 240135415553 its reverse (355514531042), we get a palindrome (595649946595).

The spelling of 240135415553 in words is "two hundred forty billion, one hundred thirty-five million, four hundred fifteen thousand, five hundred fifty-three".